23 citations
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January 1991 in “Journal of Animal Science” Biotin supplementation in sow diets is unnecessary.
1 citations
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February 2022 in “Journal of the American Academy of Dermatology” Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.
August 2022 in “Journal of the American Academy of Dermatology” The authors agree they didn't discuss the risks of too much micronutrients and value the focus on biotin deficiency signs and treatment effectiveness.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
24 citations
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May 2017 in “PubMed” Biotin supplements for hair improvement are popular without scientific proof of effectiveness.